Gem stone



FIG. 1 is a perspective view of a gem stone in accordance with my newdesign;

FIG. 2 is a further perspective view thereof, taken from a differentangle;

FIG. 3 is a bottom view thereof showing a planar bottom;

FIG. 4 is a side view thereof, the appearance from the opposite sidebeing a mirror image thereof; and,

FIG. 5 is a top view thereof.

The ornamental design for a gem stone, as shown and described.